Which of the following product(s) is/are obtained when Cl₂O₆ reacts with NaOH?

Cl₂O₆ is a mixed anhydride of HClO₃, and HClO₄ because on dissolving in water it gives a mixture of these two acid. ClO₃. dissolves in NaOH forming chloride and chlorate.
$2{\mathrm{Cl}}_2{\mathrm{O}}_6+4\mathrm{NaOH}⟶2{\mathrm{NaClO}}_3+2{\mathrm{NaClO}}_4+2{\mathrm{H}}_2\mathrm{O}$